Magnet screen device
US9690182B2 · kind B2 · utility
1Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2016 |
| Grant date | Jun 27, 2017 |
| Priority date | — |
| Expiry date | Mar 9, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F7/04
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided a magnet screen device capable of satisfactorily displaying an image projected from a projector even at an edge portion of a screen sheet thereof. The magnet screen device comprises a screen sheet having a projection surface and a magnet surface opposed to the projection surface, and a roll part for rolling up the screen sheet. In non-use state of the device, the screen sheet is in a rolled-up position on the roll part such that the magnet surface is situated on the inside with respect to the projection surface in the rolled-up screen sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.